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Thread: chronied my 6PPC load today

  1. #1
    Join Date
    Sep 2016
    Posts
    36

    chronied my 6PPC load today

    some people seem to think I am running too much clearance but I really like how its been shooting for me,,I like for a bullet to go into the neck of a fired case with no pressure,, and anything bigger than .265 wont allow it to go,,I tried loading some with the loaded round measure at .267 and I could have just knocked the primer out and loaded it back without even using a size die,,and it shot like crap,,I went to .266 and it got better,then .265 and it shot like a lazer,,

    chronie test

    23" 13.5 twist 4 groove Krieger
    Lapua 220 brass
    Fed GMM205 primers
    68 FB C-Bar bullets .008 in the lands
    28.6 LT32

    15 shot test from cold clean bore

    3376
    3378
    3385
    3376
    3399
    3401
    3403
    3389
    3382
    3387
    3392
    3378
    3403
    3401
    3385

    high 3403
    low 3376
    avg 3389
    ES 27
    SD 10

    little wider ES than my long range loads but it shoots really well out to 300 yards,,,no questions or anything just an observation,,

  2. #2
    Join Date
    Dec 2003
    Location
    washington.........STATE that is.
    Posts
    9,436
    Sounds good

    And I misdoubt that dropping the ES down to 10 would change anything, might make it worse!

    Out to 300 yds

  3. #3
    Join Date
    Feb 2003
    Location
    Jeddo, Michigan
    Posts
    3,643
    What is your chamber neck dimension?

  4. #4
    Join Date
    Sep 2016
    Posts
    36
    .268

  5. #5
    Join Date
    Feb 2003
    Location
    Jeddo, Michigan
    Posts
    3,643
    Don't get your nose in a knot with that ES of 27. The standard eviction of 10 is a decent number. Were those with weighed or thrown charges and what do you do about loading at a match? Also that .003 neck clearance is a little more than I like to use but you have to go with what your barrel likes.

  6. #6
    Join Date
    Apr 2012
    Location
    Waynesville. NC
    Posts
    562
    Big
    Were the first two shots thru a clean cold barrel?
    Or had you fired a couple shots before the test string?

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